CVE-2026-100897 fuzui CVE debrief

Who should care

Defenders responsible for fuzui StudentInfo deployments should assess exposure and verify the presence of the vulnerable component, as the product implements a rolling release and version information is unavailable.

Why it matters

Defenders should prioritize verifying the presence of the vulnerable component and assessing exposure, as the product implements a rolling release and version information is unavailable. The vulnerability allows for authorization bypass, which can be exploited remotely.

• Verify the presence of the vulnerable component in the environment
• Assess exposure to the vulnerable component
• Monitor for potential exploitation attempts
• Prioritize patching or mitigating the vulnerability

Technical summary

The vulnerability is located in the /StudentInfo/StudentHandler/moditypasswordstu file of the fuzui StudentInfo product, which is affected up to fcc42a639ec7cef620651bfd0f07ebb660529e3f. The vulnerability allows for authorization bypass through manipulation of the sid/tid argument. Defenders should prioritize verifying the presence of the vulnerable component and assessing exposure, as the product implements a rolling release and version information is unavailable. The attack can be executed remotely, and defenders should review compensating controls for exposed systems while remediation is scheduled and verified.

Defensive priority

Defenders should prioritize verifying the presence of the vulnerable component and assessing exposure, as the product implements a rolling release and version information is unavailable.

Recommended defensive actions

• Verify the presence of the vulnerable component in the environment
• Assess exposure to the vulnerable component
• Monitor for potential exploitation attempts
• Prioritize patching or mitigating the vulnerability
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability, and the vendor did not respond to disclosure. The source references provide additional details about the vulnerability, but the impact and remediation are not clearly stated.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.